Shuttle for a shutter door system



FIG. 1 is a rear, left perspective view of a shuttle for a shutter door system showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a side view thereof as seen from the left-hand side of FIG. 2; and,

FIG. 7 is a side view thereof as seen from the right-hand side of FIG. 2.

Portions of the inside structures shown in broken lines in FIGS. 2, 3, 6 and 7 form no part of the claimed design. 

CLAIM The ornamental design for a shuttle for a shutter door system, as shown and described. 